Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

81°F

27°C

Humidity	53%
Wind Speed	SE 13 mph
Barometer	29.99 in (1015.0 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	30 Jul 4:54 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Waterloo IA

Tonight
Low: 66 °F
Patchy Smoke
then Heavy
Rain
Friday
High: 74 °F
Heavy Rain
Friday Night
Low: 62 °F
Breezy.
Showers then
Chance
Showers
Saturday
High: 78 °F
Slight Chance
Showers and
Breezy
Saturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 61 °F
Mostly Clear
Monday
High: 82 °F
Sunny
Monday Night
Low: 64 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Patchy smoke before 8pm. Mostly cloudy, with a low around 66. Southeast wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 74. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Friday Night

Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 4am, then a chance of showers after 4am. Low around 62. Breezy, with a north northeast wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday

A 20 percent chance of showers before 1pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 78. Breezy, with a north wind 16 to 20 mph, with gusts as high as 31 mph.

Saturday Night

Mostly clear, with a low around 61. North wind 6 to 11 mph, with gusts as high as 18 mph.

Sunday

Sunny, with a high near 80.

Sunday Night

Mostly clear, with a low around 61.

Monday

Sunny, with a high near 82.

Monday Night

Mostly clear, with a low around 64.

Tuesday

Sunny, with a high near 84.